| A | B |
|---|
| Besides providing your sense of smell, the nose ___________ the air, ___________ the air, and ______________ the air. | filters, warms and moistens |
| Where does the body produce the mucus for the nose and mouth? | sinuses |
| Name the flap in the pharynx which prevents food from entering the nose during swallowing. | uvula |
| Name the flap in the throat that causes the snoring sound. | uvula |
| Name the tube in the throat used for swallowing and breathing. | pharynx |
| Name the flap in the pharynx which prevents food from entering the trachea and lungs. | epiglottis |
| Name the voicebox that contains the vocal cords in the pharynx. | larynx |
| How many vocal cords are in the larynx? | two |
| Name the tube that connects the pharynx to the lungs. | trachea |
| What holds the trachea open so that it is always open for breathing? | 15-20 C-shaped rings of cartilage |
| During speech, do the vocal cords vibrate when we inhale or when we exhale? | exhale |
| Name the hair-like structures found in the trachea that beat to sweep debris out of the trachea and lungs. | cilia |
| Name the small tubes that lead into and throughout the lungs. | bronchi |
| Name the small clusters of air sacs found at the end of the bronchi. | alveolar sacs or alveoli |
| Name the small blood vessels that release carbon dioxide into the alveoli. | capillaries |
| Name the small blood vessels used to carry oxygen from the alveoli to all the body cells. | capillaries |
| Name the large, flat muscle under the lungs used to force air into and out of the lungs. | diaphragm |
| What is the total volume of the lungs? | 6 quarts |
| What is the amount of air that flows in and out of the lungs during normal breathing? | tidal air |
| What is the additional air inhaled, after a normal tidal inhale? | inhalation reserve |
| What is the additional air exhaled, after a normal tidal exhale? | exhalation reserve |
| What is the amount of air remaining in the lungs, even after the most powerful exhalation? | residual air |
| What is the most air you can exhale in a single breath? | vital capacity |
